SCHEDULE: Kayne Anderson Rudnick Boosts OneStream Stake to 7.0%

Kayne Anderson Rudnick Investment Management, LLC and affiliates reported a 7.0% beneficial ownership in OneStream Inc. Class A shares.

Summary

• Kayne Anderson Rudnick Investment Management, LLC (KAR) reported beneficial ownership of 6,211,980 shares of OneStream Inc. Class A common stock, representing 7.0% of the class.
• Virtus Investment Advisers, LLC (VIA), an affiliate of KAR, reported beneficial ownership of 4,240,709 shares, or 4.8% of the class, which are also included in KAR's reported amounts.
• Virtus Equity Trust on behalf of Virtus KAR Small-Cap Growth Fund (VET), an affiliate of VIA, reported beneficial ownership of 4,101,675 shares, or 4.7% of the class, which are also included in VIA's reported amounts.
• The filing indicates that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of OneStream Inc.
• The event date requiring this filing was September 30, 2025.

Sentiment

Score: 6

Explanation: The sentiment is moderately positive as it indicates significant institutional investment and confidence in OneStream Inc. by a reputable investment manager, without any negative or activist intent.

Positives

• Increased stake by institutional investors like Kayne Anderson Rudnick and its affiliates can signal confidence in OneStream Inc.'s future prospects.
• The filing confirms that the investment is for ordinary course of business, not for activist purposes, suggesting a long-term investment horizon.

Risks

• The filing itself does not detail specific risks related to OneStream Inc.'s operations or financial health, as it is an ownership disclosure.

Future Outlook

The filing does not contain any forward-looking statements or guidance from OneStream Inc. or the reporting entities regarding the issuer's future performance.

Industry Context

The increased stake by Kayne Anderson Rudnick and its affiliates in OneStream Inc. reflects continued institutional interest in the software and technology sector, particularly in companies like OneStream that operate in enterprise performance management. Such disclosures are common as investment managers adjust their portfolios based on market conditions and company performance.

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional stake may be viewed positively, potentially increasing investor confidence and liquidity for OneStream Inc. Class A shares.
• Company Management: Awareness of a large institutional holder can influence management's strategic decisions, though the filing explicitly states no intent to influence control.

Key Dates

Recommendation

The filing indicates a significant institutional stake by a reputable investment firm, suggesting a vote of confidence. However, as a Schedule 13G, it provides no new operational or financial data to warrant a 'buy' or 'sell' recommendation. It primarily confirms an existing or recently established position, making 'hold' a prudent recommendation for existing investors, while potential investors might see this as a positive signal for further due diligence.

Keywords

OneStream Inc., Kayne Anderson Rudnick, Virtus Investment Advisers, Virtus Equity Trust, Schedule 13G, Beneficial Ownership, Institutional Investment, Class A Shares, Investment Management